255274773600 has 2304 divisors, whose sum is σ = 1187923968000. Its totient is φ = 45984153600.

The previous prime is 255274773599. The next prime is 255274773613. The reversal of 255274773600 is 6377472552.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 255274773600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2341970346 + ... + 2341970454.

It is an arithmetic number, because the mean of its divisors is an integer number (515592000).

Almost surely, 2^255274773600 is an apocalyptic number.

255274773600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255274773600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593961984000).

255274773600 is an abundant number, since it is smaller than the sum of its proper divisors (932649194400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255274773600 is a wasteful number, since it uses less digits than its factorization.

255274773600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 48.

The spelling of 255274773600 in words is "two hundred fifty-five billion, two hundred seventy-four million, seven hundred seventy-three thousand, six hundred".